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Table 3 Research progress in brain electrical impedance tomography

From: Advances in electrical impedance tomography-based brain imaging

Disease Research group Method Research results
Epilepsy Holder D EIT with subdural electrodes Localization of epileptic foci [49]
Combining EEG telemetry and EIT data EIT detected and localized different physiological changes during interictal and ictal activity [47]
Changes in EIT were consistent with electrogram activity during seizures [51]
Non-penetrating surface electrodes Cortical EIT epilepsy imaging [55]
Deeper neural activity Imaging, penetration depth ≤ 2.5 mm below the cortex [56]
Hippocampus imaging, penetration depth ≥ 3 mm below the cortex [57]
Optimization of cortical EIT epilepsy imaging [58]
Dong X Nonlinear dynamic methods Seizure prediction [59, 60]
Responsive electrical stimulation system Epilepsy prediction and seizure suppression [63]
EIT Real-time imaging of epileptic seizures [64]
Stroke Holder D MFEIT Imaging and differentiation of hemorrhagic and ischemic stroke [69]
Jacobian matrix Improved imaging quality [74]
Analysis of MFEIT, EEG, CT, and MRI data Basis of future research into stroke classification [75]
Dong X MFEIT Detection and imaging of cerebral ischemia [82, 83]
Impedance spectroscopy of normal brain tissue and hemorrhagic and ischemic stroke injury [86]
Differentiation of normal, ischemic, and hemorrhagic brain tissue types based on impedance spectroscopy [87]
Twist drill drainage for subdural hematoma Intraoperative real-time monitoring and measurement of intracranial hemorrhage [76]
Brain injuries and brain edema Dong X EIT Real-time and noninvasive monitoring of local brain edema [93]
Dynamic EIT Evaluation and trial of performance of several different EIT algorithms in continuous monitoring of brain injury [94, 95]
1260 Impedance/Gain-Phase Analyzer Measurement of electrical impedance at different stages in a rat model of brain edema after ischemic brain injury [96]
Real-time monitoring and differentiation of brain edema [14]
16-electrode EIT system Changes in brain water content associated with cerebral edema and monitoring of intracranial pressure and brain impedance imaging [14]
Brain abscess Kim HJ MREIT Comparative information on new brain abscess lesions [101]
Characterization of time course changes before and after brain abscess induction [102]
Brain neoplasms Farnarier P Stereoimpedoencephalography (SIEG) Relationship between brain tumor tissue impedance and normal tissue impedance [103]
Bullard DE Monopolar and bipolar impedance monitoring Combination of changes in brain impedance characteristics with corresponding CT density [104]
Kim HJ
Muftuler LT
MREIT Feasibility of MREIT conductivity imaging for brain tumor detection [105, 106]
  1. EIT electrical impedance tomography, MFEIT multifrequency electrical impedance tomography, MREIT magnetic resonance electrical impedance tomography, EEG electroencephalography, CT computed tomography, MRI magnetic resonance imaging, PET positron emission tomography